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In the dichromate anion...

In the dichromate anion

A

4 Cr-O bonds are equivalent

B

6 Cr-O bonds are equivalent

C

all Cr-O bonds are equivalent

D

all Cr-O bonds are non equivalent

Text Solution

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The correct Answer is:
B
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MOTION-CHEMICAL BONDING -EXERCISE -3
  1. The geometry and the type of hybrid orbitals present about the central...

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  2. The hybridisation of atomic orbitals of nitrogen in NO2^+ , NO3^- and...

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  3. The correct order of hybridisation of the central atom in the oflliwng...

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  4. The correct order of increasig C-O bond length of CO, CO(3)^(2-), CO(2...

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  5. In the dichromate anion

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  6. The geometry of H(2)S and its dipole moment are :

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  7. In compounds of type ECI(3), where E=BP, As or B, the angles CI-E-CI f...

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  8. The most likely representation of resonance structure of p-nitrophenox...

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  9. The common features among the species CN^-, CO and NO^+

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  10. Amongst H2O, H2S, H2 Se and H2 Te, the one with the highest boiling po...

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  11. Arrange the following species in decreasing order of bond angle. NO2...

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  12. Find out the bond order of : (a) H2 (b) H2^(+) (c) He2 (d) Li2 (e) ...

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  13. Why does He2^+ exist whereas He2 does not ?

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  14. The bond length in O2^+, O2, O2^- and O2^(2-) follows the order :

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  15. Write the electronic structures of : (a) CO , (b) NO, (c) HF ,(d) HCl,...

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  16. Of the following species which has the shortest bond length NO, NO^+ ,...

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  17. Based upon M.O. theory, state reason for the paramagnetic character of...

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  18. In the hydrides of group 16th elements the bond angles decrease in the...

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